Home / 31,539.55-47,316.93-11,818.28

Finding the Fourth Proportional to 31,539.55, 47,316.93 and 11,818.28

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Solution

The fourth proportional to 31,539.55, 47,316.93 and 11,818.28 is: 17,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539.55 : 47,316.93 = 11,818.28 : x
  2. Step 2: Convert to fraction form
    31,539.55/47,316.93 = 11,818.28/x
  3. Step 3: Cross multiply
    31,539.55x = 47,316.93 × 11,818.28
  4. Step 4: Simplify right side
    31,539.55x = 559,204,535.30
  5. Step 5: Solve for x
    x = 559,204,535.30/31,539.55
  6. Step 6: Final answer
    x = 17,730.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.